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-rw-r--r--erts/include/internal/ethread.h7
-rw-r--r--erts/include/internal/gcc/ethread.h5
2 files changed, 11 insertions, 1 deletions
diff --git a/erts/include/internal/ethread.h b/erts/include/internal/ethread.h
index ab728c65fa..38b8e9e9b6 100644
--- a/erts/include/internal/ethread.h
+++ b/erts/include/internal/ethread.h
@@ -361,6 +361,10 @@ extern ethr_runtime_t ethr_runtime__;
# endif
#endif /* !ETHR_DISABLE_NATIVE_IMPLS */
+#if !defined(ETHR_HAVE_NATIVE_ATOMIC32) && !defined(ETHR_HAVE_NATIVE_ATOMIC64) && !defined(ETHR_DISABLE_NATIVE_IMPLS) && defined(ETHR_SMP_REQUIRE_NATIVE_IMPLS)
+#error "No native ethread implementation found. If you want to use fallbacks you have to disable native ethread support with configure."
+#endif
+
#include "ethr_atomics.h" /* The atomics API */
#if defined(__GNUC__)
@@ -411,6 +415,7 @@ extern ethr_runtime_t ethr_runtime__;
#ifdef VALGRIND /* mutex as fallback for spinlock for VALGRIND */
# undef ETHR_HAVE_NATIVE_SPINLOCKS
+# undef ETHR_HAVE_NATIVE_RWSPINLOCKS
#else
# include "ethr_optimized_fallbacks.h"
#endif
@@ -693,7 +698,7 @@ static ETHR_INLINE int
ETHR_INLINE_FUNC_NAME_(ethr_rwlock_destroy)(ethr_rwlock_t *lock)
{
#ifdef ETHR_HAVE_NATIVE_RWSPINLOCKS
- return 0;
+ return ethr_native_rwlock_destroy(lock);
#else
return ethr_rwmutex_destroy((ethr_rwmutex *) lock);
#endif
diff --git a/erts/include/internal/gcc/ethread.h b/erts/include/internal/gcc/ethread.h
index fcfdc39441..365a3535cf 100644
--- a/erts/include/internal/gcc/ethread.h
+++ b/erts/include/internal/gcc/ethread.h
@@ -25,6 +25,9 @@
#ifndef ETHREAD_GCC_H__
#define ETHREAD_GCC_H__
+#if defined(ETHR_HAVE___SYNC_VAL_COMPARE_AND_SWAP32) \
+ || defined(ETHR_HAVE___SYNC_VAL_COMPARE_AND_SWAP64)
+
#ifndef ETHR_MEMBAR
# include "ethr_membar.h"
#endif
@@ -46,3 +49,5 @@
#endif
#endif
+
+#endif